Properties of parallelograms

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

Are the opposite angles of a parallelogram congruent?

Back

Yes, the opposite angles of a parallelogram are congruent.

Front

What is the sum of the interior angles of a parallelogram?

Back

The sum of the interior angles of a parallelogram is 360 degrees.

Front

What is the relationship between adjacent angles in a parallelogram?

Back

Adjacent angles in a parallelogram are supplementary, meaning they add up to 180 degrees.

Front

Can a parallelogram be a rectangle?

Back

Sometimes, a parallelogram can be a rectangle if all angles are right angles.

Front

Can a parallelogram be a square?

Back

Sometimes, a parallelogram can be a square if all sides are equal and all angles are right angles.

Front

What is the formula for the area of a parallelogram?

Back

The area of a parallelogram is calculated using the formula: Area = base × height.

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

If one angle of a parallelogram is 90 degrees, what type of parallelogram is it?

Back

If one angle is 90 degrees, it is a rectangle.

Front

What is the definition of a rectangle?

Back

A rectangle is a parallelogram with four right angles.